Esfast

屏蔽
var
Dummy: Integer;
begin
SystemParametersInfo( SPI_SETFASTTASKSWITCH, 1, @Dummy, 0);
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 1, @Dummy, 0);
end;

打开
var
Dummy: Integer;
begin
SystemParametersInfo( SPI_SETFASTTASKSWITCH, 0, @Dummy, 0);
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 0, @Dummy, 0);
end;